<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>error</title>
</head>
<body>
    <center>
        <h1>
            <a href="register.html">注册</a>/<a href="login.html">登录</a>失败，返回主页
        </h1>
    </center>
</body>
</html>